Question

human ear can hear ultrasound. ( say true or false )​

Answer 1

Answer:

False.

Explanation:

Ultrasound is very high-pitched sound. We cannot hear ultrasound (it has a frequency above 20,000 Hz, the upper limit of human hearing). However animals, such as dogs, bats, and dolphins, can hear these very high-pitched sounds.

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Answer 2

Answer:

false

our ears have the capacity to hear only till 20000hz (hertz)

more than that is called as ultrasonic sound which is louder

it's used in Mri scan for example